Disarmament of Heligoland (Helgoland) Fortress after World War I.

Disarmament of Heligoland (Helgoland) following World War 1. Fortress and harbor seen from a high point on the island. Obstacles at the shoreline to inhibit invasion. Views across the fortress from above showing control tower, ventilation ducts on roof, and pair of 30.5cm SK L/50 (12-inch) guns in a turret. A man sits on one of the gun barrels. Their muzzles are covered. In later view, the man sits near end of gun barrel. Scene shifts to men working to dismantle a gun turret. One is using an acetylene torch. Group of men loading small rail cars with shells and dismantled parts.